Provide up to date example of beatmap collaboration project on `Guides/Collaboration_information`

[ZeroPyrozen]

How to start a beatmap collaboration article has 3 examples of beatmap collaboration projects (Last Time Travel, Gonna Be Here, and Be Your Wings projects), but it's quite old projects. We need up to date examples of it and it could be used as good/bad example of these things:

1. Project has slider velocity that every collaborator agree with
2. Project has distance snapping that every collaborator agree with
3. Project has difficulty setting that every collaborator agree with